Description

Vibrating Wire Crack Sensor for Continuous Structural Monitoring

RST Instruments VW Crackmeter is a vibrating wire displacement sensor designed
for continuous, real-time monitoring of crack opening and joint movement in concrete,
masonry, rock, and structural elements.

The sensor uses proven vibrating wire technology to deliver highly stable and reliable
long-term measurements, making it suitable for permanent installations in demanding
structural and geotechnical monitoring applications.

Measured Parameters

• Crack opening / closure (linear displacement)

Typical Measurement Range

• ±12 mm
• ±25 mm
• ±50 mm
• ±100 mm

Accuracy & Stability

• High accuracy vibrating wire measurement
• Excellent long-term stability
• Low sensitivity to environmental noise

Data Output & Integration

• Vibrating Wire output
• Compatible with dataloggers and IoT gateways
• Supports real-time data transmission to dashboards
• Designed for continuous long-term monitoring

Typical Applications

• Structural crack monitoring in concrete and masonry
• Monitoring of joints and interfaces
• Bridges, tunnels, retaining walls, and foundations
• Infrastructure and geotechnical monitoring projects

infrascan Integration

RST Instruments VW Crackmeter can be seamlessly integrated into InfraScan monitoring
systems, enabling real-time visualization, trend analysis, and automated alerts
through the monitoring dashboard.

Sensor selection and installation geometry are defined based on structural behavior,
required accuracy, and monitoring objectives.